INDEX. 549 
Page. 
Cinchona Botanical Station 10 
Clark, A. Howard 14, 21, 23 
Clark, Austin H 92 
Clarke, F. W xli 
Clayton, H. H 82,84 
Clements, Dr. J. Morgan 32 
Cliff houses, Two types of southwestern (Pewkes) 421 
Cold in stimulating the growth of plants. The influence of (Coville) 281 
Collinge, Walter (The necessity of State action for the protection of wild 
birds) 349 
Collins-Garner French Congo Expedition 8,31 
Commerce, Secretary of (member of the Institution) xi 
Congress of Americanists 31 
Consolidated fund 4, 105 
Cook, O. F. (Milpa agriculture, a primitive tropical system) 307 
Cottrell, Dr. F. G 12 
Coville, Dr. Frederick V xii, 12 
(The influence of cold in stimulating the growth 
of plants) 281 
Crane, Bruce 30 
Crawford, J. C xii 
Curators of the National Museum xii 
Curtis, Heber D. (Modern theories of the spiral nebulae) 123 
Czechoslovak people. The origin and beginnings of the (Matiegka) 471 
D. 
Dall, Dr. W. H xii, 92 
Daniels, Josephus, Secretary of the Navy (member of the Institution) — xii 
Daughters of the American Revolution, national society, report 103 
Davidson, C. ; Dyson, Sir F. W. ; Eddington, Prof. A. S. (A determina- 
tion of the deflection of light by the sun's gravitational field, from ob- 
servations made at the total eclipse of May 29, 1919) 133 
Davis, F. H 53 
Dayton-Wright Airplane Co 15 
Deflection of light by the sun's gravitational field, A determination of, 
from observations made at the total eclipse of May 29, 1919. (Dyson, 
Eddington, Davidson) 133 
Denmark, C. R xii 
Densmore, Frances 48 
Desert bird life in the Great Basin, Glimpses of (Oberholser) 355 
Division of Insects in the United States National Museum, Tlie (Aldrich)_ 367 
Dorsey, Harry W., chief clerk of the Institution xi 
Dyson, Sir F. W. ; Eddington, Prof. A. S. ; Davidson, C. (A determination 
of the deflection of light by the sun's gravitational field, from observa- 
tions made at the total eclipse of May 29, 1919) 133 
E. 
Eclipse, May 29, 1919 83,84 
Eddington, Prof. A. S. ; Dyson, Sir F. W. ; Davidson, C. (A determination 
of the deflection of light by the sun's gravitational field, from observa- 
tions made at the total eclipse of May 29, 1919) 133 
Eddy donation, The A. R. and H. M 115 
12.573°— 21 36 
